System.Windows.Forms.XplatUIX11.AddExpose C# (CSharp) Method

		private void AddExpose (Hwnd hwnd, bool client, int x, int y, int width, int height) {
			// Don't waste time
			if ((hwnd == null) || (x > hwnd.Width) || (y > hwnd.Height) || ((x + width) < 0) || ((y + height) < 0)) {
				return;
			}

			// Keep the invalid area as small as needed
			if ((x + width) > hwnd.width) {
				width = hwnd.width - x;
			}

			if ((y + height) > hwnd.height) {
				height = hwnd.height - y;
			}

			if (client) {
				hwnd.AddInvalidArea(x, y, width, height);
				if (!hwnd.expose_pending) {
					if (!hwnd.nc_expose_pending) {
						hwnd.Queue.Paint.Enqueue(hwnd);
					}
					hwnd.expose_pending = true;
				}
			} else {
				hwnd.AddNcInvalidArea (x, y, width, height);
				
				if (!hwnd.nc_expose_pending) {
					if (!hwnd.expose_pending) {
						hwnd.Queue.Paint.Enqueue(hwnd);
					}
					hwnd.nc_expose_pending = true;
				}
			}
		}